|   | Class | Description | 
  | CancelableMdiWindowEventArgs  | Provides the event data for ahe cancelable tabbed Mdi window events. | 
  | HiddenMdiTabCollection  | Provides the list of MdiTabs that are hidden tabs. | 
  | MdiTab  | Provides the MDI tab that is assigned to a user's MDI form (a form derived from the framework's MdiTabForm). | 
  | MdiTabCollection  | Provides the list of MdiTabs that are members of a MdiTabGroup. | 
  | MdiTabForm  | Provides the base class for a user form which is to be shown as a tabbed MDI form. | 
  | MdiTabGroup  | Provides access to the MdiTabs which compose a MdiTabGroup. | 
  | MdiTabGroupCollection  | Provides the list of tabbed groups in the Mdi frame. | 
  | MdiTabGroupSettings  | Provides the appearance settings for the MdiTabGroup. | 
  | MdiTabManager  | Provides the management of the tabbed MDI windows. | 
  | MdiTabSettings  | Provides the appearance settings for the MdiTabs. | 
  | MdiWindowEventArgs  | Provides the event data for the tabbed Mdi window events. |